Kraatz, D. B. <br/><br/>
Irrigation canal lining / 
by D. B. Kraatz 
 - Rome :  FAO,  1977. 
 - xviii, 199 p. :  ill 
 - FAO Land and Water Development Series;  no.1 .
<br/><br/> kepunyaan PTSL 
<br/><br/><label>ISBN: </label>9251001650